Share 'Life on Mars: What impact would it have on religion?'

The Mars rover Curiosity has discovered organic compounds on Mars. The evidence may be a sign of extraterrestrial life but does not yet support any conclusions. But for the sake of this discussion, assume that microbial life is about to be discovered on Mars.
1. How important is such a discovery? Will most folks see this as a big deal?
2. How does it change the conversation between atheists and r…